<template>
  <div class="main">
    <div class="login_box">
      <!-- 头像区域 -->
      <div>
        <img src="../assets/images/nuozha.jpg" alt />
      </div>
      <!-- 表单验证区域 -->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            placeholder="请输入账号"
            v-model="loginForm.username"
            class="user"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            placeholder="请输入密码"
            v-model="loginForm.password"
            show-password
            class="pwd"
            prefix-icon="iconfont icon-3702mima"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-row class="log_btn">
          <el-button type="primary" @click="submitForm" :plain="true">登录</el-button>
          <el-button type="info" @click="resetForm">重置</el-button>
        </el-row>
      </el-form>
    </div>
  </div>
</template>   
<script>
import {loginApi} from '../api/index'
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [{ required: true, message: '请输入登录名称', trigger: 'blur' }, { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
        // 验证密码是否合法
        password: [{ required: true, message: '请输入登录密码', trigger: 'blur' }, { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }]
      }
    }
  },
  methods: {
    resetForm() {
      console.log(111)

      this.$refs.loginFormRef.resetFields()
    },
    submitForm() {
      this.$refs.loginFormRef.validate(async val => {
        if (!val) return
        // this.$http为axios请求 
        let { data: res } = await loginApi(this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('账号或密码错误，请重新输入')
        this.$message({
          message: '登录成功!',
          type: 'success'
        })
        window.sessionStorage.setItem('token',res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>
<style lang='less' scoped>
.main {
  width: 100%;
  height: 100%;
  background-color: #2b4b6b;
}
.login_box {
  position: relative;
  border-radius: 10px;
  padding: 0 30px;
  left: 50%;
  top: 50%;
  transform: translateY(-50%) translateX(-50%);
  width: 500px;
  height: 300px;
  background-color: #fff;
}
.login_box img {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateY(-50%) translateX(-50%);
  width: 200px;
  height: 200px;
  border-radius: 50%;
}
.user {
  margin-top: 120px;
}
.log_btn {
  float: right;
}
</style>